Package org.apache.openjpa.kernel

Examples of org.apache.openjpa.kernel.Query

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        assertEquals(Long.class, o.getClass());
    }

    public void testAggregateProjectionGroupingIsCached() {
        Broker broker = _factory.newBroker();
        Query q =
            broker.newQuery(JPQLParser.LANG_JPQL,
                "select a.name, max(a.age) FROM " +
                    CacheObjectAChild1.class.getSimpleName() +
                    " a  group by a.name");

        Collection c = (Collection) q.execute();
        CacheTestHelper.iterate(c);
        CacheTestHelper.assertInCache(this, q, Boolean.TRUE);

        c = (Collection) q.execute();
        Object[] result = (Object[]) c.iterator().next();
        assertEquals(2, result.length);
        assertEquals(String.class, result[0].getClass());
        assertEquals(Long.class, result[1].getClass());
    }
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        assertEquals(Long.class, result[1].getClass());
    }

    public void testUniqueResultsAreCachedAndConsistent() {
        Broker broker = _factory.newBroker();
        Query q =
            broker.newQuery(JPQLParser.LANG_JPQL, "select a FROM " +
                CacheObjectAChild1.class.getSimpleName() +
                " a  where a.age =1");

        q.setUnique(true);
        CacheObjectAChild1 a = (CacheObjectAChild1) q.execute();
        CacheTestHelper.assertInCache(this, q, Boolean.TRUE);

        CacheObjectAChild1 a2 = (CacheObjectAChild1) q.execute();
        assertTrue(a == a2);
    }
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        assertTrue(a == a2);
    }

    public void testMutableProjectionFieldsAreCopied() {
        Broker broker = _factory.newBroker();
        Query q = broker.newQuery(JPQLParser.LANG_JPQL, "select a.date FROM " +
            CacheObjectAChild1.class.getSimpleName() + " a  where a.age=1");

        q.setUnique(true);
        Date d0 = (Date) q.execute(); // get it in cache
        Date d1 = (Date) q.execute();
        assertNotSame(d0, d1);

        Date d2 = (Date) q.execute();
        assertNotSame(d1, d2);
    }
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        assertNotSame(d1, d2);
    }

    public void testArrayProjectionFieldsAreNotCached() {
        Broker broker = _factory.newBroker();
        Query q =
            broker.newQuery(JPQLParser.LANG_JPQL, "select a.dateArray FROM " +
                CacheObjectAChild1.class.getSimpleName() + " a");

        try {
            q.execute();
            fail("Allowed array projection query.");
        } catch (Exception e) {
        }
    }
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        }
    }

    public void testCollectionProjectionFieldsAreNotCached() {
        Broker broker = _factory.newBroker();
        Query q =
            broker.newQuery(JPQLParser.LANG_JPQL, "select a.stringColl FROM " +
                CacheObjectAChild1.class.getSimpleName() + " a");

        try {
            q.execute();
            fail("Allowed array projection query.");
        } catch (Exception e) {
        }
    }
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        }
    }

    public void testExternalizedSingleValueFieldIsNotCached() {
        Broker broker = _factory.newBroker();
        Query q = broker.newQuery(JPQLParser.LANG_JPQL, "select a.cls FROM " +
            CacheObjectWithExternalizedFields.class.getSimpleName() + " a");

        q.setUnique(true);
        Object o = q.execute(); // get it in cache
        // ##### assertEquals (Class.class, o);
        CacheTestHelper.assertInCache(this, q, Boolean.FALSE);
    }
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        CacheTestHelper.assertInCache(this, q, Boolean.FALSE);
    }

    public void testMutatedQueryReturnsNewResults() {
        Broker broker = _factory.newBroker();
        Query q =
            broker.newQuery(JPQLParser.LANG_JPQL,
                "select a.name, max(a.age) FROM " +
                    CacheObjectAChild1.class.getSimpleName() +
                    " a group by a.name");

        List l = (List) q.execute();
        CacheTestHelper.iterate(l);
        CacheTestHelper.assertInCache(this, q, Boolean.TRUE);

        l = (List) q.execute();
        Object[] result = (Object[]) l.get(0);
        assertEquals(2, result.length);
        assertEquals(String.class, result[0].getClass());
        assertEquals(Long.class, result[1].getClass());

        // now, mutate the query and see what happens
        q.setQuery("select max(a.age),a.name FROM " +
            CacheObjectAChild1.class.getSimpleName() + " a group by a.name");
        CacheTestHelper.assertInCache(this, q, Boolean.FALSE);
        l = (List) q.execute();
        result = (Object[]) l.get(0);
        assertEquals(2, result.length);
        assertEquals(Long.class, result[0].getClass());
        assertEquals(String.class, result[1].getClass());
        CacheTestHelper.iterate(l);
        CacheTestHelper.assertInCache(this, q, Boolean.TRUE);

        l = (List) q.execute();
        result = (Object[]) l.get(0);
        assertEquals(2, result.length);
        assertEquals(Long.class, result[0].getClass());
        assertEquals(String.class, result[1].getClass());
    }
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    public void testQuery() {
        EntityManager pm = _pmf.createEntityManager();
        //FIXME jthomas - partly commented
        //Query q = pm.newQuery(ByteArrayPKPC.class, "pk == bytes");
        Query q =null;//= pm.newQuery(ByteArrayPKPC.class, "pk == bytes");
        q.declareParameters("byte[] bytes");
        //FIXME jthomas - no execute for byte
        //Collection results = (Collection) q.execute(new byte[]{ 1, 2 });
        Collection results =null;//= (Collection) q.execute(new byte[]{ 1, 2 });
        assertEquals(1, results.size());
        ByteArrayPKPC2 child = (ByteArrayPKPC2) results.iterator().next();
        assertEquals("child", child.getStringField());
        q.closeAll();
        pm.close();
    }
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        super.tearDown();
    }

    public void testNullRelatedPCIsCached() {
        Broker broker = _factory.newBroker();
        Query q = broker.newQuery(JPQLParser.LANG_JPQL, "select a.e FROM " +
            CacheObjectJ.class.getSimpleName() + " a where a.e is null");

        Collection c = (Collection) q.execute();
        CacheTestHelper.iterate(c);
        CacheTestHelper.assertInCache(this, q, Boolean.TRUE);

        c = (Collection) q.execute();
        assertNull(c.iterator().next());
    }
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        assertNull(c.iterator().next());
    }

    public void testNullRelatedPCAndProjectionIsCached() {
        Broker broker = _factory.newBroker();
        Query q =
            broker.newQuery(JPQLParser.LANG_JPQL, "select a.str,a.e FROM " +
                CacheObjectJ.class.getSimpleName() + " a where a.e is null");

        Collection c = (Collection) q.execute();
        CacheTestHelper.iterate(c);
        CacheTestHelper.assertInCache(this, q, Boolean.TRUE);

        c = (Collection) q.execute();
        Object[] result = (Object[]) c.iterator().next();
        assertEquals(2, result.length);
        assertEquals(String.class, result[0].getClass());
        assertNull(result[1]);
    }
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  • org.apache.openjpa.persistence.datacache.TestJPQL2ResultsAndResultClasses
  • org.apache.openjpa.persistence.datacache.TestJPQLRelationProjections
  • org.apache.openjpa.persistence.datacache.TestMutableParameters
  • org.apache.openjpa.persistence.datacache.TestPCParametersInQueries
  • org.apache.openjpa.persistence.datacache.TestQueryResultTypes
  • org.apache.openjpa.persistence.datacache.TestResultShapes
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  • org.apache.openjpa.persistence.jpql.expressions.TestInMemoryScalarExpressions
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